Craig Mayer, Nick WIlliams, Vojtech Huser
Lister Hill National Center for Biomedical Communications, National Library of Medicine, NIH, Bethesda, MD

See the full regCTG repository at https://github.com/lhncbc/CRI/tree/master/regCTG

To return to the list of conditions and view other reports go to https://lhncbc.github.io/CRI/regCTG/regCTG-condition_report_links.html


Study Counts

Type Study_count
Total_Studies 167
interventional 117
Observational 45
Registry 5

Studies over Time by Start Date

```

Interventional Trials

Intervention Type

intervention_type Study_Count
Procedure 43
Drug 24
Drug|Procedure 15
Other 11
Device 5
Diagnostic Test 3
Drug|Other 3
Drug|placebo 3
Other|Procedure 3
Device|Procedure 2
Behavioral 1
Device|Drug 1
Drug|Other|Procedure 1
Procedure|Radiation 1
Radiation 1

Count of Studies by Intervention (normalized and mapped)

Interventions over Time

Yearly studies for each intervention by start date

Studies by Country

Country Study_Count
United States 32
NA 12
Finland 9
Korea, Republic of 6
China 5
Denmark 5
Egypt 4
France 4
Turkey 4
Israel 3
Pakistan 3
Sweden 3
Croatia 2
Italy 2
Netherlands 2
Australia 1
Australia|China|Denmark|Finland|France|Germany|Greece|Hong Kong|India|Italy|Philippines|Portugal|Saudi Arabia|South Africa|Spain|Switzerland|Taiwan|Turkey|United Kingdom 1
Austria 1
Bosnia and Herzegovina 1
Brazil 1
Canada 1
Colombia 1
Czech Republic 1
Czechia 1
Hong Kong 1
Hungary|Latvia|Lithuania|Romania|Russian Federation|United States|Bulgaria|Czechia|Estonia|Georgia|Ukraine 1
Iran, Islamic Republic of 1
Ireland 1
Lithuania 1
Poland 1
Russian Federation 1
Singapore 1
Taiwan 1
Thailand 1
United Kingdom 1
United States|Argentina|Brazil|Canada|Chile|Mexico 1

Sites per Study

Site_count Study_Count
1 94
2 10
3 2
4 1
5 1
6 1
7 1
8 1
14 1
20 1
25 1
54 1
66 1
68 1

Phase

Phase Study_Count
N/A 77
Phase 4 18
Phase 3 11
Phase 2 9
Early Phase 1 1
Phase 2/Phase 3 1

Number of Arms

Number_of_Arms Count_of_Studies
1 13
2 85
3 8
4 3
6 2
NA 6

Enrollment Metrics by Phase

Measure Early.Phase.1 N.A Phase.2 Phase.2.Phase.3 Phase.3 Phase.4
Min. 30 2.00 13.0000 180 40.0000 40.0000
1st Qu. 30 50.00 60.0000 180 156.0000 62.7500
Median 30 116.00 100.0000 180 200.0000 200.0000
Mean 30 320.56 132.6667 180 346.4545 299.3333
3rd Qu. 30 200.00 200.0000 180 491.5000 325.5000
Max. 30 8200.00 360.0000 180 891.0000 1800.0000

Trial Group Type

group_type Group_Count
Active Comparator 105
Experimental 91
No Intervention 20
Placebo Comparator 10
NA 6
Other 4
Sham Comparator 1

Intervention Model

intervention_model Study_Count
Parallel Assignment 93
Single Group Assignment 18
Crossover Assignment 3
NA 3

Primary Purpose

primary_purpose Study_Count
Treatment 84
Diagnostic 12
NA 5
Prevention 4
Supportive Care 4
Basic Science 3
Other 3
Health Services Research 1
Screening 1

Observational Studies

Studies by Country

Country Study_Count
United States 10
NA 5
United Kingdom 5
Chile 3
Denmark 3
Korea, Republic of 3
Finland 2
Germany 2
Austria 1
Canada 1
Croatia 1
Germany|Spain 1
India|Mexico|Nigeria|Pakistan|Spain|Sudan 1
Italy 1
Netherlands 1
Singapore 1
Tunisia 1
Turkey 1
United States|Germany 1
Vietnam 1

Sites per Study

Site_count Study_Count
1 39
5 2
7 1
9 1
29 1
37 1

Enrollment Metrics

Measure Observational
Min 3.0
1st Qu 102.0
Median 282.0
Mean 158133.1
3rd Qu 993.0
Max 6000000.0

Observation Model

observational_model Study_Count
Cohort 30
Case-Only 4
Case-Control 3
Case Control 3
Ecologic or Community 3
Defined Population, Natural History 1
Other 1

Time Perspective

time_perspective Study_Count
Prospective 26
Retrospective 13
Cross-Sectional 3
NA 2
Cross-Sectional, Prospective 1

Registries

Studies by Country

Country Study_Count
Turkey 2
Denmark 1
Ireland 1
United Kingdom 1

Sites per Study

Site_count Study_Count
1 5

Enrollment Metrics

Measure Registries
Min 64.0
1st Qu 95.0
Median 120.0
Mean 382.4
3rd Qu 226.0
Max 1407.0

Registry Model

observational_model Study_Count
Cohort 4
Case-Only 1

Time Perspective

time_perspective Study_Count
Prospective 4
Cross-Sectional 1

Follow-up

target_duration Study_Count
30 Days 2
1 Day 1
14 Days 1
6 Months 1

Overview of Studies

Interventional Trials

#If less then 500 trials

nct_id brief_title link overall_status source primary_completion_date
NCT03324165 Comparing Proposed Algorithm and Current Practice in the Evaluation of Suspected Appendicitis https://ClinicalTrials.gov/show/NCT03324165 Active, not recruiting Singapore General Hospital 2018-09-30
NCT03289351 Two Different Antibiotics Versus One Antibiotic for Pediatric Perforated Appendicitis https://ClinicalTrials.gov/show/NCT03289351 Recruiting Phoenix Children’s Hospital 2020-12-22
NCT03248102 Finding Evidence to Treat Or Reassure in Appendicitis (FETOR) https://ClinicalTrials.gov/show/NCT03248102 Completed The Leeds Teaching Hospitals NHS Trust 2019-09-09
NCT03236961 Optimizing the Antibiotic Treatment of Uncomplicated Acute Appendicitis https://ClinicalTrials.gov/show/NCT03236961 Recruiting Turku University Hospital 2019-04-01
NCT04440150 Preoperative Immature Granulocyte Count and Percentage for Acute Appendisitis https://ClinicalTrials.gov/show/NCT04440150 Completed Kahramanmaras Sutcu Imam University 2019-06-01
NCT03186105 Feasability of Ambulatory Appendicectomy https://ClinicalTrials.gov/show/NCT03186105 Completed Fondation Lenval 2019-06-02
NCT03159754 Optimal Care of Complicated Appendicitis https://ClinicalTrials.gov/show/NCT03159754 Active, not recruiting University of Michigan 2022-06-30
NCT03106467 Practical Advantages of Single-port Over Three-port Laparoscopic Appendectomy in Children https://ClinicalTrials.gov/show/NCT03106467 Completed Hallym University Medical Center 2016-06-30
NCT03046758 The Safety and Pharmacokinetics of Intraperitoneal Administration in Patients Undergoing Appendectomy for Uncomplicated Appendicitis https://ClinicalTrials.gov/show/NCT03046758 Completed Herlev Hospital 2017-12-07
NCT03005808 Choose the Best Concentration of Ropivacaine on TAP Block for Open Appendectomy in Children https://ClinicalTrials.gov/show/NCT03005808 Completed Hospital Infantil Albert Sabin 2016-02-29
NCT02991937 Comparison of Medical and Surgical Treatment of Uncomplicated Acute Appendicitis in Children https://ClinicalTrials.gov/show/NCT02991937 Recruiting NYU Langone Health 2020-07-01
NCT02941640 Influence of the Different Ways of Appendix Stump Closure on Patient Outcome in Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT02941640 Completed University Clinical Center Tuzla 2016-12-30
NCT02916134 Conservative Versus Operative ManageMent of Acute Uncomplicated Appendicitis https://ClinicalTrials.gov/show/NCT02916134 Active, not recruiting Beaumont Hospital 2019-08-31
NCT02881996 The Impact of IV Acetaminophen on Pain After Appendectomy for Perforated Appendicitis https://ClinicalTrials.gov/show/NCT02881996 Completed Children’s Mercy Hospital Kansas City 2016-06-30
NCT02867072 Laparoscopic Versus Open Appendectomy https://ClinicalTrials.gov/show/NCT02867072 Completed University of Catania 2011-07-31
NCT02848820 Initial Non-operative Treatment Strategy Versus Appendectomy Treatment Strategy for Simple Appendicitis in Children https://ClinicalTrials.gov/show/NCT02848820 Recruiting Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) 2020-12-31
NCT02803463 Peritoneal Closure Versus Non Closure During Open Appendectomy https://ClinicalTrials.gov/show/NCT02803463 Completed Bezmialem Vakif University 2016-12-31
NCT02800785 The Comparison of Outcomes of Antibiotic Drugs and Appendectomy (CODA) Trial https://ClinicalTrials.gov/show/NCT02800785 Active, not recruiting University of Washington 2020-03-05
NCT02795793 Non-operative Management for Appendicitis in Children https://ClinicalTrials.gov/show/NCT02795793 Recruiting Sydney Children’s Hospitals Network 2019-05-31
NCT02784704 Efficacy and Safety Study of Eravacycline Compared With Meropenem in Complicated Intra-abdominal Infections https://ClinicalTrials.gov/show/NCT02784704 Completed Tetraphase Pharmaceuticals, Inc. 2017-05-08
NCT02752698 Domestic Surgical Robot Clinical Study https://ClinicalTrials.gov/show/NCT02752698 Active, not recruiting The Third Xiangya Hospital of Central South University 2019-12-30
NCT02742402 DIAgnostic iMaging or Observation in Early Equivocal appeNDicitis https://ClinicalTrials.gov/show/NCT02742402 Active, not recruiting Helsinki University Central Hospital 2020-04-09
NCT02724410 Role of Intravenous Versus Home Oral Antibiotics in Perforated Appendicitis https://ClinicalTrials.gov/show/NCT02724410 Completed Atrium Health 2013-11-30
NCT02714023 Water And Saline Head-to-head In The Blinded Evaluation Study Trial https://ClinicalTrials.gov/show/NCT02714023 Completed University of Missouri-Columbia 2015-09-10
NCT02711449 Preoperative Methylprednisolone to Patients Suspected of Appendicitis Undergoing Laparoscopy https://ClinicalTrials.gov/show/NCT02711449 Completed Nordsjaellands Hospital 2016-09-30
NCT02664220 Dilute Povidone-iodine Irrigation vs No Irrigation for Children With Acute, Perforated Appendicitis https://ClinicalTrials.gov/show/NCT02664220 Completed The University of Texas Health Science Center, Houston 2018-03-31
NCT02633735 EHR-based Decision Support for Pediatric Acute Abdominal Pain in Emergency Care https://ClinicalTrials.gov/show/NCT02633735 Active, not recruiting HealthPartners Institute 2019-07-31
NCT02625987 Appendicectomy Skin Closure Technique: Changing Paradigms (ASC) https://ClinicalTrials.gov/show/NCT02625987 Completed Coordinación de Investigación en Salud, Mexico 2015-08-31
NCT02533869 The Optimization of a Low-dose Computed Tomography Protocol in Patients With Suspected Uncomplicated Acute Appendicitis https://ClinicalTrials.gov/show/NCT02533869 Completed Turku University Hospital 2017-06-01
NCT02483689 Evaluation of Local Anesthetic at Incision Site https://ClinicalTrials.gov/show/NCT02483689 Recruiting Valley Anesthesiology Consultants 2020-07-31
NCT02415335 Dexamethasone Preoperative for Patients Undergoing Laparoscopy for Suspected Appendicitis https://ClinicalTrials.gov/show/NCT02415335 Completed Nordsjaellands Hospital 2015-10-31
NCT02137603 Fast Track Appendectomy for Suppurative Appendicitis https://ClinicalTrials.gov/show/NCT02137603 Completed Johns Hopkins All Children’s Hospital 2014-12-31
NCT02110485 Randomized Controlled Trial of a Patient Activation Tool in Pediatric Appendicitis (Antibiotics Alone vs. Appendectomy) https://ClinicalTrials.gov/show/NCT02110485 Completed Nationwide Children’s Hospital 2017-08-31
NCT02108717 The Feasibility Study for Real-time Remote CT Reading for Suspected Acute Appendicitis Using iPhone https://ClinicalTrials.gov/show/NCT02108717 Completed Hanyang University 2014-05-31
NCT01283815 Laparoscopic Management of Periappendicular Abscess https://ClinicalTrials.gov/show/NCT01283815 Completed Helsinki University Central Hospital 2014-08-31
NCT01925014 Low vs. Standard Dose CT for Appendicitis Trial https://ClinicalTrials.gov/show/NCT01925014 Completed Seoul National University Bundang Hospital 2016-12-31
NCT01839435 Feasibility of Outpatient Appendectomy for Acute Appendicitis https://ClinicalTrials.gov/show/NCT01839435 Completed Centre Hospitalier Universitaire, Amiens 2016-02-29
NCT01825863 Ultrasound-guided Abdominal Wall Nerve Blockade in Laparoscopic Surgery for Acute Appendicitis. https://ClinicalTrials.gov/show/NCT01825863 Completed Bispebjerg Hospital 2013-12-31
NCT01816568 The Comparison of Single Incision Laparoscopic Appendectomy and Three Port Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT01816568 Completed Maltepe University 2013-02-28
NCT01738750 Laparoscopic Versus Open Appendectomy? Let the Patient Decide https://ClinicalTrials.gov/show/NCT01738750 Completed University of Utah 2013-12-31
NCT01697059 Initial Antibiotics and Delayed Appendectomy for Acute Appendicitis https://ClinicalTrials.gov/show/NCT01697059 Completed Rhode Island Hospital 2015-05-31
NCT01678365 Safety and Efficacy of Single Daily Dose of Ceftriaxone and Metronidazole for Treatment of Complicated Appendicitis in Children https://ClinicalTrials.gov/show/NCT01678365 Completed HaEmek Medical Center, Israel 2009-10-31
NCT01659983 Efficacy Study of Delayed Primary Closure to Reduce Rate of Wound Infection in Complicated Appendicitis https://ClinicalTrials.gov/show/NCT01659983 Completed Ramathibodi Hospital 2016-03-31
NCT01572558 Conservative Treatment of Acute Appendicitis in Children https://ClinicalTrials.gov/show/NCT01572558 Completed Karolinska University Hospital 2012-10-31
NCT01568853 A Prospective Study of The Complement Depletion in Patients With Severe Abdominal Sepsis https://ClinicalTrials.gov/show/NCT01568853 Completed Jinling Hospital, China 2012-03-31
NCT01524081 Antibiotic Prophylaxis in the Prevention of Surgical Site Infections After Selected Urgent Abdominal Surgical Procedures https://ClinicalTrials.gov/show/NCT01524081 Completed The Faculty Hospital Na Bulovce 2011-07-31
NCT01515293 Single Incision Versus Conventional Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT01515293 Completed Hospital Universitario Virgen de la Arrixaca 2010-12-31
NCT01424631 Single Incision Versus Conventional Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT01424631 Completed Mansoura University NA
NCT01356641 Antibiotic Treatment Alone for Acute Simple Appendicitis in Children https://ClinicalTrials.gov/show/NCT01356641 Completed VU University of Amsterdam 2017-01-31
NCT04378868 Role of Delay and Antibiotics on Perforation Rate While Waiting Appendectomy https://ClinicalTrials.gov/show/NCT04378868 Recruiting Helsinki University Central Hospital 2022-12-31
NCT04281251 Endoscopic Retrograde Appendicitis Therapy https://ClinicalTrials.gov/show/NCT04281251 Recruiting Chinese University of Hong Kong 2021-03-31
NCT04271826 Grey Zone Appendicitis: Role of Blood Test Biomarkers to Detect Early Appendicitis and to Decrease the Incidence of Negative Appendectomy https://ClinicalTrials.gov/show/NCT04271826 Completed Zagazig University 2019-08-01
NCT04253899 The Management of Perforated Acute Appendicitis in Adult and Pediatric Populations https://ClinicalTrials.gov/show/NCT04253899 Recruiting Marshall University 2021-08-31
NCT04226482 Review of Efficacy of Used ultraSonic Energy Device https://ClinicalTrials.gov/show/NCT04226482 Completed University of Split, School of Medicine 2020-04-13
NCT04168866 Operative Versus Non-Operative Management for Appendicitis With Abscess or Phlegmon https://ClinicalTrials.gov/show/NCT04168866 Recruiting Yale University 2025-12-31
NCT04117061 Optimizing the Diagnosis of Acute Appendicitis https://ClinicalTrials.gov/show/NCT04117061 Recruiting Vilnius University 2021-01-01
NCT04083313 Analysis of Endoloops, Endostaples and Endoclips for Closing the Appendiceal Stump During Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT04083313 Completed University Hospital Dubrava 2020-01-30
NCT04039750 Use of Antibiotic Irrigation to Decrease Wound Infections in Pediatric Perforated Appendicitis https://ClinicalTrials.gov/show/NCT04039750 Recruiting Prisma Health-Upstate 2021-07-31
NCT04031196 Quadratus Lumborum Block Versus Transversus Abdominis Plane Block in Children Undergoing Laparoscopic Appendicectomy https://ClinicalTrials.gov/show/NCT04031196 Completed Zagazig University 2019-03-01
NCT04030741 Non-operative Treatment of Acute Non-perforated Appendicitis https://ClinicalTrials.gov/show/NCT04030741 Recruiting King Edward Medical University 2020-12-01
NCT03985514 Acute Appendicitis: Active Observation With and Without Antibiotics https://ClinicalTrials.gov/show/NCT03985514 Recruiting Göteborg University 2020-05-31
NCT03947372 Comparison of Outcomes After Laparoscopic Versus Open Appendectomy in Acute Appendicitis https://ClinicalTrials.gov/show/NCT03947372 Completed Services Hospital, Lahore 2015-08-20
NCT03930667 Closure of the Appendix Stump in Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT03930667 Completed Bozyaka Training and Research Hospital 2018-08-01
NCT03886896 Intravenous Lidocaine in Children Undergoing Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT03886896 Completed Medical University of Warsaw 2020-01-15
NCT03792802 EFFECT OF USING SAME DERMATOME LİNE FOR ALL PORT SİTES IN LAPAROSCOPIC APPENDECTOMY IN ACUTE APANDICITIS https://ClinicalTrials.gov/show/NCT03792802 Enrolling by invitation Fatih Sultan Mehmet Training and Research Hospital 2019-07-01
NCT03773224 Role of Wound Irrigation After Appendectomy https://ClinicalTrials.gov/show/NCT03773224 Completed Mansoura University 2019-08-01
NCT03770897 Laparoscopic Appendectomy Performed by Junior SUrgeonS: Impact of 3D Visualization on Surgical Outcome https://ClinicalTrials.gov/show/NCT03770897 Completed Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia 2019-04-30
NCT03754777 Modified Enhanced Recovery Program in Emergency Surgery (MERES) https://ClinicalTrials.gov/show/NCT03754777 Completed Pirogov Russian National Research Medical University 2017-12-01
NCT03754387 Antibiotic Therapy vs Laparscopic Appendectomy in Pediatric Chronic Appendicitis https://ClinicalTrials.gov/show/NCT03754387 Enrolling by invitation Zunyi Medical College 2021-01-01
NCT03750032 Technical Modifications of Appendicular Stump Closure During Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT03750032 Recruiting University Hospital Ostrava 2019-06-01
NCT03723642 Investigation of Oxidative Stress in Appendectomy - Open Versus Laparoscopic in Childhood and Adolescence https://ClinicalTrials.gov/show/NCT03723642 Active, not recruiting Medical University of Graz 2020-10-01
NCT03687502 The Role of Contrast Enhanced Ultrasound in Appendicitis https://ClinicalTrials.gov/show/NCT03687502 Recruiting Children’s Mercy Hospital Kansas City 2021-01-01
NCT03591419 Polymer Clips Vs Endoloop for Appendicular Stump Ligation https://ClinicalTrials.gov/show/NCT03591419 Completed Services Hospital, Lahore 2018-06-30
NCT03524573 (D)Elayed vs. (E)Arly (L)Aparoscopic (A)Ppendectom(Y) https://ClinicalTrials.gov/show/NCT03524573 Recruiting Kingston Health Sciences Centre 2020-10-31
NCT03482245 Blue Light Therapy in Reducing Inflammation During Sepsis https://ClinicalTrials.gov/show/NCT03482245 Recruiting University of Pittsburgh 2020-03-31
NCT03481517 Wound Infiltration With Local Anesthetic Agent for Laparoscopic Appendectomy in Adult https://ClinicalTrials.gov/show/NCT03481517 Completed National Taiwan University Hospital 2019-07-08
NCT03435900 Intraperitoneal Administration of Fosfomycin, Metronidazole and Molgramostim Versus Intravenous Antibiotics for Perforated Appendicitis https://ClinicalTrials.gov/show/NCT03435900 Completed Herlev Hospital 2018-07-17
NCT01260064 Open Appendectomy Versus Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT01260064 Completed Bakirkoy Dr. Sadi Konuk Research and Training Hospital 2011-04-30
NCT01203566 A Randomised Controlled Trial on LESS Versus Conventional Laparoscopic Appendicectomy. https://ClinicalTrials.gov/show/NCT01203566 Completed Chinese University of Hong Kong 2011-03-31
NCT01115153 Prophylaxis With Single Versus Five Dose of Antibiotic Therapy as Treatment of Patients With Gangrenous Acute Appendicitis https://ClinicalTrials.gov/show/NCT01115153 Completed Universidad Industrial de Santander 2009-11-30
NCT01096927 Non Operative Treatment for Acute Appendicitis https://ClinicalTrials.gov/show/NCT01096927 Completed Maggiore Bellaria Hospital, Bologna 2011-01-31
NCT01067937 Study for a Rational Management of Appendicitis in Children https://ClinicalTrials.gov/show/NCT01067937 Completed Nantes University Hospital 2011-04-30
NCT01024439 Transumbilical Single Incision Versus Conventional Three Incisions Laparoscopic Appendicectomy https://ClinicalTrials.gov/show/NCT01024439 Completed Pamela Youde Nethersole Eastern Hospital 2010-09-30
NCT01022567 Appendicectomy Versus Antibiotics in the Treatment of Acute Uncomplicated Appendicitis https://ClinicalTrials.gov/show/NCT01022567 Active, not recruiting Turku University Hospital 2012-06-30
NCT01007318 Safety and Efficacy Study of Single Port Laparoscopic Appendectomy in Acute Appendicitis https://ClinicalTrials.gov/show/NCT01007318 Completed Kyunghee University Medical Center 2010-12-31
NCT01002365 Perioperative Hyperoxygenation and Wound Site Infection Following Surgery for Acute Appendicitis https://ClinicalTrials.gov/show/NCT01002365 Completed Western Galilee Hospital-Nahariya NA
NCT00981136 Single Incision Laparoscopic Surgery (SILS) Versus Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT00981136 Completed Children’s Mercy Hospital Kansas City 2010-11-30
NCT00913445 Wound Healing After Emergency Appendicectomy https://ClinicalTrials.gov/show/NCT00913445 Completed Tampere University Hospital 2010-05-31
NCT00913380 Diagnosis of Acute Appendicitis: Low-dose Computed Tomography (CT) Versus Standard-dose CT https://ClinicalTrials.gov/show/NCT00913380 Completed Seoul National University Bundang Hospital 2011-04-30
NCT00908804 Open Versus Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT00908804 Completed North Karelia Central Hospital NA
NCT00854815 Irrigation Versus No Irrigation for Perforated Appendicitis https://ClinicalTrials.gov/show/NCT00854815 Completed Children’s Mercy Hospital Kansas City 2012-06-30
NCT02447224 Pilot Trial of Antibiotics Versus Surgery for Treating Acute Appendicitis https://ClinicalTrials.gov/show/NCT02447224 Completed Olive View-UCLA Education & Research Institute 2015-10-31
NCT04332809 A Randomized Controlled Trial on Wound Irrigation in Open Appendectomy. https://ClinicalTrials.gov/show/NCT04332809 Active, not recruiting Mansoura University 2020-03-31
NCT00806429 Transvaginal Appendectomy https://ClinicalTrials.gov/show/NCT00806429 Completed Yale University 2011-12-31
NCT03234296 Antibiotics vs. Placebo in Acute Uncomplicated Appendicitis https://ClinicalTrials.gov/show/NCT03234296 Enrolling by invitation Turku University Hospital 2019-03-30
NCT02687464 Appendectomy Versus Non-Operative Treatment For Acute Non-Perforated Appendicitis in Children https://ClinicalTrials.gov/show/NCT02687464 Recruiting Children’s Mercy Hospital Kansas City 2019-01-31
NCT02352519 A Comparison of UGBRS Block and Local Infiltration https://ClinicalTrials.gov/show/NCT02352519 Completed Baylor College of Medicine 2015-06-30
NCT00783016 Effect of Pain Control on the Diagnosis of Acute Appendicitis on the Diagnostic Accuracy of General Surgeon https://ClinicalTrials.gov/show/NCT00783016 Completed Seoul National University Hospital 2011-02-28
NCT00734825 Emergency Department CT Scanning for Appendicitis https://ClinicalTrials.gov/show/NCT00734825 Completed WellSpan Health 2008-11-30
NCT00723788 Magnetic Resonance Imaging (MRI) of Appendicitis in Children https://ClinicalTrials.gov/show/NCT00723788 Completed Children’s National Research Institute 2010-04-30
NCT00716703 CT Scan Using IV Contrast Alone for Pediatric Appendicitis https://ClinicalTrials.gov/show/NCT00716703 Completed University of Rochester 2005-10-31
NCT00616616 Single Incision Laparoscopy https://ClinicalTrials.gov/show/NCT00616616 Completed University of California, San Diego 2009-07-31
NCT00565682 Pain Post Abdominal Laparoscopy Prevention With Arcoxia https://ClinicalTrials.gov/show/NCT00565682 Completed Hospital Vozandez NA
NCT00554008 Comparative Study of Laparoscopic Versus Open Appendectomy in Children https://ClinicalTrials.gov/show/NCT00554008 Completed Oregon Health and Science University 2010-12-31
NCT00552162 NOTES Transvaginal Cholecystectomy and Appendectomy https://ClinicalTrials.gov/show/NCT00552162 Recruiting Hadassah Medical Organization 2018-01-31
NCT00477061 Morphine Analgesia in Patients With Acute Appendicitis https://ClinicalTrials.gov/show/NCT00477061 Completed Tehran University of Medical Sciences NA
NCT00469430 Study of Conservative Versus Surgical Treatment of Appendicitis https://ClinicalTrials.gov/show/NCT00469430 Completed Göteborg University 2007-09-30
NCT00462020 Intravenous Versus Intravenous/Oral Antibiotics for Perforated Appendicitis https://ClinicalTrials.gov/show/NCT00462020 Completed Children’s Mercy Hospital Kansas City 2008-11-30
NCT00435032 Early Versus Interval Appendectomy for Ruptured Appendicitis in Children https://ClinicalTrials.gov/show/NCT00435032 Completed University of Tennessee 2009-09-30
NCT00414375 Early Versus Delayed Operation for Perforated Appendicitis https://ClinicalTrials.gov/show/NCT00414375 Completed Children’s Mercy Hospital Kansas City 2009-02-28
NCT00413855 Laparoscopic Appendectomy for Chronic Right Lower Abdominal Pain https://ClinicalTrials.gov/show/NCT00413855 Completed Maxima Medical Center NA
NCT00323453 Wound Infection Alexis Wound Retractor https://ClinicalTrials.gov/show/NCT00323453 Completed Santa Barbara Cottage Hospital 2008-06-30
NCT00230971 Study Comparing Tigecycline Versus Ceftriaxone Sodium Plus Metronidazole in Complicated Intra-abdominal Infection (cIAI) https://ClinicalTrials.gov/show/NCT00230971 Completed Wyeth is now a wholly owned subsidiary of Pfizer 2008-09-30
NCT00229060 Doripenem in the Treatment of Complicated Intra-Abdominal Infections https://ClinicalTrials.gov/show/NCT00229060 Completed Johnson & Johnson Pharmaceutical Research & Development, L.L.C. NA
NCT00210938 Doripenem in the Treatment of Complicated Intra-Abdominal Infections https://ClinicalTrials.gov/show/NCT00210938 Completed Johnson & Johnson Pharmaceutical Research & Development, L.L.C. NA
NCT00195351 Study Comparing Tigecycline Versus Ceftriaxone Sodium Plus Metronidazole in Complicated Intra-abdominal Infection https://ClinicalTrials.gov/show/NCT00195351 Completed Wyeth is now a wholly owned subsidiary of Pfizer 2008-02-29
NCT00135603 Antibiotic Therapy Versus Appendectomy for Acute Appendicitis https://ClinicalTrials.gov/show/NCT00135603 Completed Assistance Publique - Hôpitaux de Paris 2008-02-29

Observational Studiess

#If less then 500 studies

nct_id brief_title link overall_status source primary_completion_date
NCT03080103 Appendectomy Versus Conservative Treatment for Uncomplicated Acute Appendicitis https://ClinicalTrials.gov/show/NCT03080103 Completed Associazione Chirurghi Ospedalieri Italiani 2018-06-30
NCT02831556 Point of Care 3D Ultrasound for Various Applications: A Pilot Study https://ClinicalTrials.gov/show/NCT02831556 Recruiting Duke University 2025-01-31
NCT02731924 Point of Care Ultrasound for Evaluation of Suspected Appendicitis in the Emergency Department https://ClinicalTrials.gov/show/NCT02731924 Recruiting WellSpan Health 2020-12-31
NCT02730585 Diagnostic Performance of C Reactive Protein and Delta CRP in Acute Appendicitis https://ClinicalTrials.gov/show/NCT02730585 Completed University of Monastir 2013-12-31
NCT02679547 The Effect of Breastfeeding on the Development of Appendicitis in Adults https://ClinicalTrials.gov/show/NCT02679547 Enrolling by invitation Sisli Hamidiye Etfal Training and Research Hospital 2019-12-31
NCT02673528 Laparoscopic Assisted or Total Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT02673528 Completed Medical Park Gaziantep Hospital 2015-08-31
NCT02556983 CT Dose Simulation Study for Appendicitis https://ClinicalTrials.gov/show/NCT02556983 Completed Seoul National University Bundang Hospital 2017-02-28
NCT02507674 Point of Care 3D Ultrasound for Pediatric Appendicitis: a Pilot Study https://ClinicalTrials.gov/show/NCT02507674 Completed Duke University 2016-06-16
NCT02311452 Comparative Effectiveness of Intravenous v. Oral Antibiotic Therapy for Serious Bacterial Infections https://ClinicalTrials.gov/show/NCT02311452 Completed Children’s Hospital of Philadelphia 2012-12-31
NCT02271932 Multi-institutional Trial of Non-operative Management of Appendicitis https://ClinicalTrials.gov/show/NCT02271932 Active, not recruiting Nationwide Children’s Hospital 2019-11-01
NCT02047786 A Comparison of Appendicectomy Outcomes in Children Between Paediatric and General Surgical Centres in Scotland https://ClinicalTrials.gov/show/NCT02047786 Completed University of Edinburgh 2010-12-31
NCT02018016 The Hospital Volume Relationship in Appendicectomy Outcomes https://ClinicalTrials.gov/show/NCT02018016 Completed University of Edinburgh 2010-12-31
NCT02017951 Geographic Influences on Appendicectomy Outcomes https://ClinicalTrials.gov/show/NCT02017951 Completed University of Edinburgh 2010-12-31
NCT01967745 Laparoscopic Versus Open Appendectomy https://ClinicalTrials.gov/show/NCT01967745 Completed Varazdin General Hospital 2009-12-31
NCT01830387 Comparative Study of Polymetric Clips (Hem-o-Lok) Versus Historical Endoscopic Staplers for Laparoscopic Appendectomy https://ClinicalTrials.gov/show/NCT01830387 Completed Duke University 2014-09-30
NCT01734837 TICAP - Titanium Clips for Appendiceal Stump Closure https://ClinicalTrials.gov/show/NCT01734837 Completed Aesculap AG 2013-07-31
NCT01718275 Non-operative Management of Early Appendicitis in Children https://ClinicalTrials.gov/show/NCT01718275 Active, not recruiting Nationwide Children’s Hospital 2014-02-28
NCT01718171 Inflammatory Response in Appendicitis https://ClinicalTrials.gov/show/NCT01718171 Completed Cirujanos la Serena 2012-01-31
NCT01698099 Diagnostic Accuracy of Serum Bilirubin in the Prediction of Perforated Appendicitis https://ClinicalTrials.gov/show/NCT01698099 Completed University Hospital Tuebingen 2011-08-31
NCT03349814 Explanations for Negative Laparoscopic Appendectomies and Normal Laparoscopies https://ClinicalTrials.gov/show/NCT03349814 Completed Herlev Hospital 2019-05-15
NCT01652170 The Performance of the APPY1 Test in the Evaluation of Possible Acute Appendicitis https://ClinicalTrials.gov/show/NCT01652170 Completed Venaxis, Inc. 2014-02-28
NCT01376466 Impact of CT on Diagnosis of Acute Appendicitis https://ClinicalTrials.gov/show/NCT01376466 Completed University of Aarhus 2011-02-28
NCT01348464 A Trial on Laparoscopic Appendectomy Versus Single Port Appendectomy https://ClinicalTrials.gov/show/NCT01348464 Completed Gachon University Gil Medical Center NA
NCT04407117 Appendicitis During the National Lockdown During the COVID-19 Pandemic https://ClinicalTrials.gov/show/NCT04407117 Completed Nordsjaellands Hospital 2020-04-19
NCT04214340 Appendicitis in Adults and Children in France-A Prospective Study by the French Surgical Association Multicenter Cohort https://ClinicalTrials.gov/show/NCT04214340 Completed Association Francaise de Chirurgie 2016-06-30
NCT04207645 Modification and Validation of the RIPASA Score for Diagnosis of Acute Appendicitis https://ClinicalTrials.gov/show/NCT04207645 Recruiting Soba University Hospital 2020-07-31
NCT04163211 Abdominal Drainage During Appendicectomy - Resources Down the Drain: A Retrospective Cohort Study https://ClinicalTrials.gov/show/NCT04163211 Completed The Whittington Hospital NHS Trust 2018-11-01
NCT04033211 NOVOsyn® for Trocar Incision After Laparoscopic Appendectomy and Cholecystectomy https://ClinicalTrials.gov/show/NCT04033211 Recruiting Aesculap AG 2020-10-31
NCT03902262 Acute Abdomen in Kawasaki Disease https://ClinicalTrials.gov/show/NCT03902262 Completed National Institute of Pediatrics, Mexico 2019-02-15
NCT03776435 CT Carcinogenic Risk in Patients With Appendicitis https://ClinicalTrials.gov/show/NCT03776435 Recruiting Seoul National University Bundang Hospital 2020-12-15
NCT03504878 Cost-effectiveness Analysis and Case-based Payment Norm Modeling on Appendicitis Patients at Hanoi Medical University Hospital https://ClinicalTrials.gov/show/NCT03504878 Completed Hanoi Medical University 2016-12-31
NCT03450642 Complement Diagnosis of Acute Appendicitis https://ClinicalTrials.gov/show/NCT03450642 Completed University of Exeter 2014-10-31
NCT03414853 Free Text Prediction Algorithm for Appendicitis https://ClinicalTrials.gov/show/NCT03414853 Active, not recruiting National University Hospital, Singapore 2019-07-01
NCT01192620 Pediatric Appendicitis Pathway Study https://ClinicalTrials.gov/show/NCT01192620 Completed Oregon Health and Science University 2011-08-31
NCT01054417 APPEndicitis and Laparoscopic Criteria; APPEL Study https://ClinicalTrials.gov/show/NCT01054417 Completed University Medical Center Groningen 2011-04-30
NCT00925145 Single Incision Laparoscopic Appendectomy in the Community Utilizing Conventional Instruments https://ClinicalTrials.gov/show/NCT00925145 Completed University of British Columbia 2010-10-31
NCT00888888 Colonic Resections in Patients With Suspected Appendicitis https://ClinicalTrials.gov/show/NCT00888888 Completed Cirujanos la Serena 2010-06-30
NCT04142203 Implementation of 23 Hour Surgery Model in a Tertiary Hospital https://ClinicalTrials.gov/show/NCT04142203 Active, not recruiting Kuopio University Hospital 2020-05-30
NCT02580487 Perioperative Pain Management of Pediatric Appendectomy Patients https://ClinicalTrials.gov/show/NCT02580487 Completed Kuopio University Hospital 2015-09-30
NCT03119740 Postoperative Complications After Appendectomy https://ClinicalTrials.gov/show/NCT03119740 Completed Ludwig Boltzmann Institute for Operative Laparoscopy 2016-10-30
NCT00677417 Diagnostic Value of Hyperbilirubinaemia as a Predictive Factor for Appendiceal Perforation in Acute Appendicitis https://ClinicalTrials.gov/show/NCT00677417 Completed Ruhr University of Bochum 2008-05-31
NCT00630071 Diagnostic Value of Procalcitonin in Patients With Acute Appendicitis https://ClinicalTrials.gov/show/NCT00630071 Completed Ruhr University of Bochum NA
NCT00530998 Minimally Invasive Surgery: Using Natural Orfices https://ClinicalTrials.gov/show/NCT00530998 Completed University of California, San Diego 2019-09-30
NCT00528138 Hyperbilirubinemia in Acute Appendicitis as a Predictor of Perforation https://ClinicalTrials.gov/show/NCT00528138 Completed Cirujanos la Serena 2008-09-30
NCT00195923 Prospective Randomized Evaluation of Antibiotic Regimen Following Appendectomy for Perforated Appendicitis https://ClinicalTrials.gov/show/NCT00195923 Completed Children’s Mercy Hospital Kansas City NA

Registries

#If less then 500 registries

nct_id brief_title link overall_status source primary_completion_date
NCT03185637 Children’s Surgery in Sub-Saharan Africa https://ClinicalTrials.gov/show/NCT03185637 Completed King’s College London 2017-05-31
NCT02304653 Acute Appendicitis: The Influence of C-reactive Protein and Leucocytes on Clinical Decision-making https://ClinicalTrials.gov/show/NCT02304653 Completed Odense University Hospital 2013-11-30
NCT03988660 The Circulating Fibrocyte - a Novel and Accurate Biomarker in Diagnosing Acute Appendicitis in Adults https://ClinicalTrials.gov/show/NCT03988660 Completed University Hospital of Limerick 2019-04-14
NCT03791229 Pain and Discomfort After Appendectomy in Children https://ClinicalTrials.gov/show/NCT03791229 Enrolling by invitation Sakarya University 2019-03-31
NCT04462588 Immature Granulocyte [IG] Count and Percentage for Medical Treatment of Uncomplicated Acute Appendicitis https://ClinicalTrials.gov/show/NCT04462588 Completed Kahramanmaras Sutcu Imam University 2020-06-01